When will my Onboard Credit be applied to my account? November 19, 2019 17:57 Updated Your onboard credit amount will be applied to your account within 24 hours of boarding your cruise. Related articles What is my "up to $1,500 Onboard Credit" amount? Can I bring alcohol or other beverages onboard? How do I access my CruisesOnly reservation? Should I purchase a beverage package from the cruise line? When will I receive my Cash Back rebate?